
What is the growth trend of the air compressor market size?
- A. steady growth
- B. fluctuating growth
- C. declining year by year
- D. stagnant
Answer: A. steady growth
Answer: They provide consistent, high-quality compressed air for textile manufacturing and laboratory applications.
A.≤0℃ B.≤-10℃ C.≤-20℃ D.≤-30℃ Answer: C Analysis: The spraying process requires a compressed air dew point of ≤-20℃ (PDP) to prevent moisture condensation from affecting the coating quality.
A. Increase assembly speed B. Extend tool life C. Reduce noise levels D. Reduce energy consumption Answer: B Analysis: Oil-free technology prevents oil mist from polluting high-precision pneumatic tools, thereby extending tool life to 1…
A. Screw B. Piston C. Centrifugal wheel D. Scroll disk answer: B. piston
A. Price and brand B. Performance, price and brand C. Market share and technological innovation D. Production date and transportation method Answer: C. Market share and technological innovation